37.8x10.3的简算怎么做
答案:3 悬赏:40 手机版
解决时间 2021-11-11 15:16
- 提问者网友:你独家记忆
- 2021-11-10 20:32
37.8x10.3的简算怎么做
最佳答案
- 五星知识达人网友:渡鹤影
- 2021-11-10 21:21
37.8x10.3
=37.8x(10+0.3)
=37.8x10+37.8x0.3
=378+(40-2.2)x0.3
=378+40x0.3-2.2x0.3
=378+12-0.66
=390-0.66
=389.34
谢谢,请采纳
=37.8x(10+0.3)
=37.8x10+37.8x0.3
=378+(40-2.2)x0.3
=378+40x0.3-2.2x0.3
=378+12-0.66
=390-0.66
=389.34
谢谢,请采纳
全部回答
- 1楼网友:酒者煙囻
- 2021-11-10 22:34
解:
37.8×10.3
=37.8(10+0.3)
=378+37.8×0.3
=378+11.34
=389.34
37.8×10.3
=37.8(10+0.3)
=378+37.8×0.3
=378+11.34
=389.34
- 2楼网友:一把行者刀
- 2021-11-10 22:07
列式计算为
37.8×10.3
=37.8×(10+0.3)
=37.8×10+37.8×0.3
=378+11.34
=389.34
回答完毕~
37.8×10.3
=37.8×(10+0.3)
=37.8×10+37.8×0.3
=378+11.34
=389.34
回答完毕~
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